GB1364766A - Ferroelectric system for bulk storage of phase holograms - Google Patents

Ferroelectric system for bulk storage of phase holograms

Info

Publication number
GB1364766A
GB1364766A GB4338972A GB4338972A GB1364766A GB 1364766 A GB1364766 A GB 1364766A GB 4338972 A GB4338972 A GB 4338972A GB 4338972 A GB4338972 A GB 4338972A GB 1364766 A GB1364766 A GB 1364766A
Authority
GB
United Kingdom
Prior art keywords
plate
ferroelectric
electrodes
polarizing
hologram
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4338972A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB1364766A publication Critical patent/GB1364766A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/05—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties
    • G02F1/0541—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties using photorefractive effects
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/024—Hologram nature or properties
    • G03H1/0248—Volume holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2260/00—Recording materials or recording processes
    • G03H2260/50—Reactivity or recording processes
    • G03H2260/54—Photorefractive reactivity wherein light induces photo-generation, redistribution and trapping of charges then a modification of refractive index, e.g. photorefractive polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
GB4338972A 1971-09-20 1972-09-19 Ferroelectric system for bulk storage of phase holograms Expired GB1364766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7133727A FR2153140B1 (enrdf_load_stackoverflow) 1971-09-20 1971-09-20

Publications (1)

Publication Number Publication Date
GB1364766A true GB1364766A (en) 1974-08-29

Family

ID=9083183

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4338972A Expired GB1364766A (en) 1971-09-20 1972-09-19 Ferroelectric system for bulk storage of phase holograms

Country Status (5)

Country Link
US (1) US3782802A (enrdf_load_stackoverflow)
JP (1) JPS5927036B2 (enrdf_load_stackoverflow)
DE (1) DE2246030C2 (enrdf_load_stackoverflow)
FR (1) FR2153140B1 (enrdf_load_stackoverflow)
GB (1) GB1364766A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555816A1 (de) * 1974-12-16 1976-06-24 Photovoltaic Ceramic Corp Ferroelektrische keramische vorrichtungen

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2318484A1 (fr) * 1975-07-17 1977-02-11 Thomson Csf Dispositif optique de stockage et d'effacement selectif de donnees et memoire optique comportant un tel dispositif
FR2362466A1 (fr) * 1976-08-19 1978-03-17 Thomson Csf Cellule d'enregistrement holographique, memoire et dispositif de calcul optique utilisant une telle cellule
US4193334A (en) * 1978-07-31 1980-03-18 Cadillac Gage Company Gun sight positioning mechanism
GB8610027D0 (en) * 1986-04-24 1986-05-29 British Petroleum Co Plc Phase conjugate reflecting media
US4703992A (en) * 1986-05-27 1987-11-03 Rockwell International Corporation Laser beam cleanup by photorefractive two-way mixing
US5126862A (en) * 1991-02-13 1992-06-30 Rockwell International Corporation Image transmission through thick aberrators
US5253258A (en) * 1991-10-17 1993-10-12 Intellectual Property Development Associates Of Connecticut, Inc. Optically encoded phase matched second harmonic generation device and self frequency doubling laser material using semiconductor microcrystallite doped glasses
FR2727215B1 (fr) * 1994-11-18 1996-12-20 Thomson Csf Dispositif de veille panoramique infrarouge statique a detecteurs matriciels multiples
WO1996032666A1 (en) * 1995-04-12 1996-10-17 Northrop Grumman Corporation Method for mitigating cross-talk in high-efficiency holograms
WO1997025654A1 (en) * 1996-01-04 1997-07-17 Johnson Kristina A Programmable hologram generator
WO1997044697A1 (en) * 1996-05-21 1997-11-27 Northrop Grumman Corporation Reference beam auto-focus apparatus for modularized volume-holographic memory
FR2750487B1 (fr) * 1996-06-28 2005-10-21 Thomson Csf Revetement pour la protection personnelle d'un fantassin

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517206A (en) * 1968-04-08 1970-06-23 Itek Corp Apparatus and method for optical read-out of internal electric field
US3544189A (en) * 1968-06-12 1970-12-01 Bell Telephone Labor Inc Holography using a poled ferroelectric recording material
US3652145A (en) * 1969-06-30 1972-03-28 Sperry Rand Corp Electrically controllable volume holographic apparatus and method for operating said apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555816A1 (de) * 1974-12-16 1976-06-24 Photovoltaic Ceramic Corp Ferroelektrische keramische vorrichtungen

Also Published As

Publication number Publication date
FR2153140B1 (enrdf_load_stackoverflow) 1974-05-31
JPS4839047A (enrdf_load_stackoverflow) 1973-06-08
JPS5927036B2 (ja) 1984-07-03
DE2246030A1 (de) 1973-03-29
FR2153140A1 (enrdf_load_stackoverflow) 1973-05-04
US3782802A (en) 1974-01-01
DE2246030C2 (de) 1982-02-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee